Home Postcode finder NSW Coralville Coralville postcode NSW Coralville is a locality in New South Wales covered by postcode 2443. Postcode 2443 State or territory New South Wales (NSW) Region NSW North Coast Add a free Coralville business listing Be the first listing in Coralville Common questionsWhat is the postcode for Coralville?Coralville, NSW has the postcode 2443.What state is Coralville in?Coralville is in New South Wales (NSW).Does postcode 2443 cover more than one suburb?Yes. Postcode 2443 covers 19 localities, so the postcode alone does not identify Coralville. Browse other postcodes in New South Wales, or widen the search to every Australian postcode.